Inventor
SENNER RALF
US12 patents
⚠️ This page may combine multiple inventors who share the name “SENNER RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN MOTORS CORP
4 patentsUS6528191B1Mar 4, 2003
Apparatus for monitoring a hydrogen containing gas stream
GEN MOTORS CORP51 citations94
US6740433B2May 25, 2004
Method and apparatus for monitoring a hydrogen containing gas stream
GEN MOTORS CORP33 citations91
US7482076B2Jan 27, 2009
Fuel cell stack humidification method incorporating an accumulation device
GEN MOTORS CORP2 citations61
US6921601B2Jul 26, 2005
Fuel cell stack humidification method incorporating an accumulation device
GEN MOTORS CORP2 citations61
GM GLOBAL TECH OPERATIONS INC
4 patentsUS8029939B2Oct 4, 2011
Fuel cell ejector with integrated check valve
GM GLOBAL TECH OPERATIONS INC7 citations83
US8007943B2Aug 30, 2011
Cascaded stack with gas flow recycle in the first stage
GM GLOBAL TECH OPERATIONS INC2 citations61
US7820333B2Oct 26, 2010
Fuel cell operating method with improved hydrogen and oxygen utilization
GM GLOBAL TECH OPERATIONS INC2 citations59
US8374808B2Feb 12, 2013
Detection method for membrane and electrode failures in fuel cell stacks
GM GLOBAL TECH OPERATIONS INC0 citations51